Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051643 | Exhaust gas purification system utilizing ozone | Hirohito Hirata, Masaru Kakinohaha | 2011-11-08 |
| 7981389 | Process using microwave energy and a catalyst to crack hydrocarbons | Paul T. Fanson, Hirohito Hirata, Steven L. Suib, Young Chan Son | 2011-07-19 |
| 7954313 | Exhaust cleaner for internal combustion engine | Hirohito Hirata, Masaru Kakinohana | 2011-06-07 |
| 7946111 | Apparatus and method for PM purification | Masaru Kakinohana, Hirohito Hirata | 2011-05-24 |